Seiko Cal. 7018 - 938

Seiko 7018-938

The 7018-938 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7018 caliber with 28j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-ab47aa1b7c4c]

Also known as: Tuna, World Timer

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1978

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